I asked my dear friend Caren Austen to write about the life-upending diagnosis that, in a single moment of time, changed absolutely everything about her life. “Teach us to number our days, that we may gain a heart of wisdom.” Psalm 90:12 Cerebral atrophy. That was the diagnosis resulting from a recent MRI. Deterioration of the brain. After judiciously researching the diagnosis, a consultation with a friend in the medical field confirmed the most likely cause that my brain is shrinking: Alzheimer’s. A singular moment with horrific implications. At 66, I was stung as the future I had anticipated seemed to be snatched away. The time I likely would not…